Printing-telegraph system



No-vnl?, P.l M. RAINEY RINTING TELEGRAH SYSTEM Filedp, so, 1921 y KW www@www mm.

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' RAUL M. RAINEY, OF GLEN lRID patented Nev. 17, .1925.

GE, VNEW COMPANY,` INCORPORATED, oF NEW Yo JERSEY, `.ASSIGrNOR TOWESTERN ELECTRIC 4 RK, N. Y., A CORPORATION 0F NEW YORK.

" i f PRINTING-TELEGRAPH SYSTEM.

. Application led -December Taall whom t may;concerti# 4Be it'known thatI, PAUL RAINEY, a citizen of the vUnite States, residing 'at Glen Ridge,in the county of Essex, State of New Jersey, have invented certain newand useful Improvements in Printing- Telegraph Systems, of whichthefollowing is a full, clear, c`ncis`e,l'and exact description. p

Thls invention relates to printing tele graph systems, and particularlyto switchmg lmechanism whereby the operation of systems `in whichu'aplurality of sets of printing' telegraph Iapparatus located at onestationLA .may be facilitated.

f .An object'ofthe..invention is to provide in a printing telegraphsystem having a t .ated independently of the correspondingv .plurality.offset-sof printing telegraph api l paratus vlocated at one station,switching means whereliyjtlie transmitting and receiving mechanismsoi-each set may be opermechanisms of the other set.

- Another object is the provision in ,a vsys-S.

tem of 'the above character of vswitching means wherebythe'transmittlngA mechanlsm oflone'set and-the recelvlng mechanism ofthe other set may beoperated.

Another object lis to provide in a print- :.ingtelegraph system having aplurality of sets of printing telegraph apparatus located A at onestation, switching means wherebyv the recorder of one set may beoperatedin conjunction witl the other set.

It is customary practice in ofiices provided with printing telegraphapparatus to have spare or duplicate sets to insure continued service ofthe system, should one of the sets fail.. Each setis equippedv withtransmitting and receiving distributors` automatic or keyboardtransmitters, and rev ceiving printers, all ofwhich are mounted onseparate tables which accoinmodatebut a single operator at a time, andconse-A quently do not permitl lthe simultaneous observance of theoperation of the transmitti'ng and receiving mechanisms by sepa'- rateoperators. To obvia-teisuch'conditions, the present invention provides,in a printing telegraph system comprising two operating tables, eachequipped with complete transmitting and receiving mechanisms located atthe statica and. connected by a line con,-

1 the receiving distributor ofv so, 1'921.. serial No. 525,957.

` ductor vlequipped for duplex operation, switching mea-ns wherebythe'equipment `of each table 'may be operated in various combinations.Forfexample, the transmitter and transmitting distributor of one set andthe receiving mechanism and receiving distributor of the other set maybe operated together, the receiving printer individual -to i onetablemay' under different conditions bev controlledby the receivingdistributor of theother table, or the equipment'of cachot the tables maybe operated independently. Infthe drawing, there is shown a-lineconductorf provided #for d upleX .service extending to a distantstation where apparatus similar to that shown in the drawing is located..Attached to the line G--are distributors connect the transmittingmechanism with the line,- while the latter conneet the recordingmechanism thereto. The

distributors 7 and 9 toget-her With their A, While the'otherdistributors'S and 10 form a second set B, each of 'which may beoperated separately, tributor of one set tributor' of another ing Iprinter operated, printerof eitherset maybe i'operated in conjunctionWiththe receiving distributor of the other set.. l

and the receiving discurrent control means 11 which, in the pre! ferredform of thein'vention is a tape transmitter, though. obviously, a'keyboard transtransmitting 'distributors 7 andl 8 and re-f ceivingdistributors 9 and 10. The former associated mechanisms form a completeset s" the transmitting disset with. its correspond` or the receivingThe transmitting apparatus comprises i mitter may -be'su'bstituted inits place. The

transmitter 11 includesafseries of contacts 12, 13, 14, 15 iandl whichare arranged to be selectively actuated -by selectively operated inembers controlled by perfor-'ations in the transmitting tape (not shown).`In or beadder that the transmitting tape may vanced to bring the nextsucceeding groupv of perforations in alinement with the contact's`j12 to16 inclusive, an electroniagnet :17 is arranged to be operated upon'each revolution of the vbrush arm. of the transmitting distributor 7 foraccomplishing this'v result, as will be more 4clearly describedhereinafter. -Associa-ted with the contacts 12 to 16 inlusive,is a.plural'ty of signal stor-` ing relays 18., `19. 20, 2l and 22 which are-the local segments 52, 53 and54.

provided for storing the inipul'ses in accordance with the operation ofthe selected contacts. Each Iof these relays has two windings, one ofwhich serves to initially energize the relay while the other serves toinaintain'the relay energized after their contacts have been closed.Each relay is also provided with two armatures, one forA extendingcircuits tothe segments of the transmitting distributor 7 .and theAother serving to'coniplete locking circuits there- The recordingmechanism 23 provides a series of selectingniagnets 24, 25, 26, 27 and28 which have the'Lr windings connected with the various segmentsforming a part of the outerringof tlie`receiving distributor 9. Thus,the windings of these magnets will be successivelyconnected-'upontherelease of the brush arm 29 due to the energization of the releasemagnet 34 lby the front contact of relay 3l,- tlie Aenergization ofwhich is under the control of line relay 7 0 connected to the line'conductor 6. The `line `relay 70 is operatedin accordance with th'e`reception of signals transmitted from the distant station and respondsto control the operation of the local relay 31 whereby the selectingmagnets willbe'ene'rgi'zed in accordance with the impulses received for.recording'the desired character. A, conductor 32 which is shownextending from a contact on switch 33 may be connected with a printing,magnet for effecting the printing of a character as determined by theoperation of the selecting magnets.

The transmitting distributor comprises ya s brush aim 35 which isfrictionally mounted on a constantly revolving shaft 37 as'is well knownto those skilled in the art. Tlie-A arm 35 is held against i'otationbymeans of a' release latch under the .control ,ofla release magnet a7.-Secured to .the brush arm 35 is a pair ofbrushes 38 and39. The latter ofthese brushes connects the continuous ring 40 with the segineiitsftl,42,43, ett, 45 and 46 to which the'upper armatures of the storing relays18 to 22 inclusive, are connected, while the former bridges thecontinuous ring with In order that the storing relays will not beoperated for storing impulses until the.

distributor arm 3 5 has completed its cycle, a relay 56 isprovided whichis adapted to be energized upon the energizatio'n of any one ofthestoring relays 18v to -22-inclus`ive.A Relay 56, upon being energized,opens at its contacts, the initial energizing circuit of thestoring-relays which iscompleted' through the selecting contacts of thetape transmitter previously referred to; Upon thc'passageof the brush 38over the segment 54:, a circuit is completed including the winding ofrelay' 57 with a source of battery. Relay 57 in operating-opens at itscontacts, the energizing circuit of relay 56 as well as the lockingcircuit of the storing relays. Thus, after' this relay is operatedandreleased, the stor- 'ing ,relays 18y to 22 inclusive, may then beactuated for storing impul s in. accordance 7U to incoming impulseswhchis connected in '#75' i,

circuit withthe line conductor' andwhich v controls through itscontacts, the energizing circuit. of the local relays 31 and 71individual to the receiving 'distributors 9 and 10 respectively. Thisvline relay is of the 80 polarized type and is arranged so that itsarmature remains in the position setuntil 1 the reception of an impulsewhich reverses the position of its armature. The front and back contactsof the local relay..31 are connected witlijsegmeiit 58 ofthe receivingdis-` tributor l9 and the windingof the release.

magnet 34 respectively.. :The energization .of[4 'i l I 'the releasemagnet 34 is, however, controlled which, when .the brush arm is at rest,bridges the local segments 73 and 74. From this, y "-1 bythe brush 72mountedfontlie.brush arm -29 9 relay 31, while the eiiergizationiofftheselect- J ving magnets is controlled tlirouglrthe. front contact`thereof. Thus, if the front contact of this relay is closed at the timethel brush 72 is passing over asegment 75 to which the selecting magnet28 of the printer 23 iscon'` nected, this selecting magnet vwillbe-energized forcflecting the operation of the-se?v lectingmechanism,controlled thereby. This circuit'extends fromv battery throughthe left-hand Contact of the key 30, front contact of thelocal relay 31,segment 58 of the reiceiving distributor 9, brush 72, segment 75,'switch member 7 6 forming a part of the switch 33, contact 77 and thewinding of the-selecting magnet 28` to ground.

The equipment individual to the distrib, utoi's 8 and l0 is similar inevery respect. to that just described. Therefore, further dcscii'ptionof this apparatus is considered unnecessary here. A

Gomi'noii to the recorder 23 of thc set A ,and thc re lorder 78 ofth-csct is a switch llll'.

which ias a plurality ofspiiiig pressed switch members normally tendingto` assume the position shown in the drawing, and which are adapted tooperate oppositely d|sposed. contacts 'for controlling the' completionofthe respective circuits extending from the segments of thedistributors ..2- and isa `in the selection of each character.

in g distributor 9 so that when impulses are transmitted over the lineconductor 6, the

system, let it be assumed that a signal composed of the following unitsbe transmitted.

current.

Current, no current, no cui-rent, current and Whenut is desired tooperate the system in the above manner` key Sl associated with the set Amust be' actuated ltoc-lose its contact's `for conditionngan energizingcircuitv for the start relay 36, the

energizing circuit of which is controlled by the 'engagement of thelirush 38 with the local segment 52 and the continuous lring 50. 'Alsoat the receiving station, it it isf desired` to receive the impulsestransmitted 4by the operation of the transmitting distributor 7 on the'receiving distributori), itA

Vis necessary to actuate the lever ofthe switch '30 so as to close itsleft-hand contact-therebyconnecting battery with theariiiature and frontcontact of the local relay 3l. Itfis, ofcourse, to be understood thatthe system is designed for duplex operation, that s,

messa-ges may be transmitted over `the line` conductor (i inv bothdirections simultaneously. yAfterthe key '8'1 has been actuated,

the release control relay 36 will be enerv` gize'd over a circuitextending from battery through the ring,r 50, brush 38,' -localsegiiient 52`aiid the winding 'of the release control relay' 36 and thecontact ofthe switch 8 1 to ground. ,Upon the operation j .ot therelease control relay 36, an energizingr circuit is established for therelease inagnet i7 extending from battery through the winding oi therelease magnet 47, armature and alternate'contact ot relay 36, contactof thc switch Si to `ground. The' energization oi thc release magnet 47gagcnient with the brush 'arm 35 ythereby permitting this brush arin tobefre-volved with the contiiniously revolving shaft 37. L

In accordance with the previously-mentioned group ofselecting units orin'i'pulses. contacts 12,15 and 16 ot the transmitter willbc-losed,thereby completing the ener-f gizing circuit for storing relays 1S. 211and 22.

--batteiv u) )er Windinfv of these.y relays. the 1. 7 t

closed contacts of the transmitter l1, back contacts of relays 5G and57, front'tontacts lthe' operation of thewithdraws the releaselalclicontrolled therebyr from enfA These circuits extend from groundedof release controlrelay' and the contacts of the switch 8l to ground.Storing relays 18, 21 and 22 thereupon close their contacts a to extendthe' circuits controlled by the ar-Av niatliresfof these relays to thesegments of the ,transmitting distributor which are subsequentlyconnected through the distributoil- 8 to the Winding `of a pole-changingrelayI 66 -for transmitting currentlfmpu'lses over sired character. 'Alocking circuit foreach ofthese relays 1s also established .at this timeover' acircuit extending from grounded battery through the lower windingand armature of'each of these relays and the Wind- S0 f ing of relay 56and the armature and normal Contact of relay 57 to ground. Relay 56 isalso energized. at Vthis time and attracts its darn'iature for openingthe initial ener-v 'the line conductor G representing the de- 75 gizingcircuit of the storing relays 18, 2l S5 yand 22, The operation'of'the'lelease inag- .net 47 as before described, withdraws the latchcontrolled thereby and 'permits brusharin'35 to vrevolve .with theshaft37. The` i release of the brush arin causesthe circuit 9'@extending from the battery connected with the 'windingV of the'pole-changing relay (S6 through 'the' continuous ri g 64, brush 6 3 andsegment-162 of the t ansinitting ldisring 4:0" of thetransmittingdistributor 7 to be broken,v This, therefore, opens the energizing`circuit of the pole-changing re. lay 66 a-nd permits the 'armaturecontrolled .tributoigSf'brus I39, segment 46 andfthe 95 i thereby toassume a position opposite to that 1GO shown in the drawing andconsequently ap.-

plying a polarity of battery opposite t that normally connected with theline conductor 6." Upon the receiptof tliisvinitial iinpulse, thereceiving relay 70 which responds )"'l only to incomingiinpulses,:reverses the pbsition' of its armature and causes thc disconiicction ifthe source' ot battery troni 'the vuiiidingot' thelocal relay 3l,thereby causing' the release of this relay.- As preyiously described,switch 30 is actuated in i l `a manner to close its lett-hand contact.

Thus upon the-release ot the relay 8l and the closure ot' this backcontact. airencij-` gizingcircuit is' established for the This circuit.extends from buttery thriuigli thc lett-hand contact of, switch 330.back contact oi relay 31, winding of Arelease inagbrush arni 29 land thesegment 73 to ground. Release magnet in operating, withdraws the releaselatch `controlled thereby for perniittingthe arm 2-9-to-rei'olve.

release Iii lmagnet 84 of the receiving distributoi.' S).

The passage of the brush 38 of the transniitting distributor 7 oversegment coni-.

plietes.' a'ii energizing circuit for magnet 1T which magnet, inoperating causes the o pegatiou ot' suitable mechanism not4 shown) toz-yancc the transmitting path for posi-.

lan

tioning, the next succeeding group of perfo-' rations in alinement -Withthe selecting c'ontacts 12 to 16V inclusive. 'But inasmuch as relay 56at this time is energized, the stor- CII ing relays connected with theactuated contacts Will not be' energized. Brush'38 in passing ofi .ofsegment 52 opens-the energizing circ-uit of relay 36 which is thereupondeenergized and opens the energizing cir-. cuit of the release magnetfor restoring the release latchto normal position for `engaging the`arm'85 after it has completed one Acycle. As the arm 35.1evolves,segment 41,

to Wh'ch the upper armature of the storing.

relay 181s connected, bridges the continuous ring 40 and since. storingrelay 18 'is-energized, an energizing circuit is completed for thepole-changing 'relay 66. This circuit linay be tra-ccd from batteryconnected with the Winding of the pole-clianging relay .66, conductor65, segment 64 of the distributor 8, brush 63, segment 62, conductor 60,con.

tinuous ring of the'transinitting distributor `7, brush 39, segment 41,lupper aimature and alternate contact of tliestoring relay 18 to ground.The pole-changing re f lay 66 is thereupon energized 'for reversing theposition of its armature and applying battery to theliiie conductor 6,the polarity 'of which is such as to reverse the position of thearmature 'of the line relay 70, located at the .distant station, or tothe position'v sliownfin -theydrawing y l At the .distant station, theline relay 70, inresponding to this impulse, completes the energizingcircuit for the local relay 31- Which thereupon closes its frontcontact` and connects battery with the segment 58 of the receivingdistributor9 so that upon the passage ofthe brush 72 over the segment75,

to reverse the position o'tits armature 'sothat the local relay 31remains deenergized. Thus, upon the. passage of the brush 7 2 over thesegments to which the selecting magnets '26.aiid 27.1 otthe recorder 23are connected,

these magnets will not be energized owing to the position of thearmatureof the local relay 31.,` However, when the brush 39v engagesseginent 44,the energizing circuit for the pole-changing relay 66 will again becompleted for causing the transmission of an impulse of a polarityoppositeto that 57 to ground.

Apreriously tinnsiii'itted.V The operation of the system lat the distantstation idelntical with that previously described in connection with theselection of the selecting magnet 28. TheV same is true when the brush39 passes overf'the segment 45. The selecting magnets at the distantstation corresponding with the. storing relays will, of course, be

operated in the saine manner as previously describedin connection withthat of the selecting magnet 28. l V

Just before the brusharm 35 is arrested by the vlatch under the controlof the release magnet 47,-seginent 54 is bridged 'with the o ring l5()by .the brush 38, thereby complet- 38, segment 54 and the Winding 'ofthe relay opensat its left-hand'contact, the energizin'g lcircuit forrelay 56 which is thereupon ing an energizing circuit for relay 57 eX-tending from battery through ring 50, brush This Arelay 571menergizing'- deeiiergized for again establishing the initial yenergizing circuit for the storing relays 18 n to '22j inclusive.

Upon the engagement of the.- brush 39 .-Witli the 4segment 46, an'energizing circuit is -again established for the pole-changing rel lay66 which restoresthe position 'if the armature controlled thereby toAthe' position.

as shown in the drawing thereby causing the energization of thereceiving relay at the distant station for likewise completing anenergizing circuit for the local relay 3,1. so

'that the release magnet,` 34 'will helpdeenergized -ust before the`arm' 29 of the vdistributor 9 as completed its cycle otrotation.

Thus,' since the release magnet 3.4 is'now" deenergized, the brusharin'29 Will beA ar- I rested dueto its engagement with the relese latchcontrolled by the release magnet 34.

Iffthe switch 33 is actuated tovmove the y switch member 80 'to theleft, recorder 23 ,will be disconnected from the 'segments ofthedistributor' '9 andthe Vselecting tiiiagnets of tlie're'corder '(8connected thereto. In this manner, impulses received on the distributor10 may be transferred and recorded on the' recorder 23 individual to theset B. It is,

thus, seen' that an operator may be stationed to observe the, operationof the ltransmitter and printer -without interfering with the.

work oi' the-.other operator. p

If the key 30 is actuated to close. its righthand contact; thedistributor 10 'will be operatedrather than the distributor. 9, aspreviously described Conditions similar to those described in connectionWith the operation/y of the distributor 9 Would, therefore,

Vresult in the operation of the receiving dis-A tributor '10. Also 'theoperation'of the receiving distributor 10 may be recorded on therecorder 23 associated with the set A by the proper positioning ot' theswitch member 79 of the switch 33,

ceiving distributors cooperating with said.l line, an impulse responsiverelay common to said transmitting distributors, means for causing saidrelay to respond lto selections received from a particular oneof-saidtransmitting distributors alone, a plurality of recorders andmeans for associating any of said recorders with anykof said receivingdistributors. l. n

:2. In a printing` telegraph system, the combination of a line, apluralityoftransniittiiig distributors serially connected, means for'sending selections to said line utilizing contacts'lof said pluralityof. disi tributors, means for determining the particular distributor.tov be effective iii the -sending of 'selections t'o said line,Japlurality of receiving distributors 4,normallyV associated .in commonwith said line, means for rendering one alone'of said receivingdistributors ef- "fective to receive selections from said line," andmeans for as.

a plurality of recorders, sociating anyone of said of said distributors.

3."11'1' a printing telegraph system7 the recorders with anytransmitting distributors rality of distributors, said relay beingadapt-` l means for Iassociatin combination with a line, of a pluralityof" connected serially,` 1 aV relay normally 'associated with said plufed to directly control the transmission of selecting impulses to saidline, means for rendering said relay-responsive to but one of` saidserially tributois, aplurality of receiving distributors associable Withsaid line, seriallyconnected start relays each individual toareceivingdistributor. means for rendering a'particularf'one of saidrelays leffective to determine the association of a particular one ofsaid receiving distributors.

a plurality of recorders, and

with said line,

with any of said distributors.

- 4f" In a printing telegra li system, the combination with a line, o aplurality fof transmitting distributors and a plurality ofAreceivingdistributors associable with Vsaid line, means for ,sendingselectingl impulses to said line utilizing a 'series circuit throughcontacts of said plurality of transmitting distributors, means forsending impulses t'o said line independently of said series circuit, v

means for associating any distributors With said line, corders, andmeans for associating. any ofv said recorders with any of said receivingdistributors. l

In Witness whereof, I hereunto subscribe of said receiving PAUL M.RAI-KEY.

connected transmitting dis-l a pluralityof g any of said recorders f aplurality of remy name this 27 th day ofDecember A. D.,

